After b10d9118dea4, the MemoryListStream was moved from its preferred
position as the last stream in the file to precede user minidump
streams, in an effort to prevent it from being preempted by a user
minidump stream that specified the memory list stream’s type. A better
solution, which keeps all streams where they want to be, is to put the
MemoryListStream at the end, put user streams before it, and omit user
streams that purport to be a MemoryListStream.
Bug: crashpad:171
Change-Id: I6974fbd4c9ec67284f86c593c553af7adf73601b
Reviewed-on: https://chromium-review.googlesource.com/456823
Reviewed-by: Sigurður Ásgeirsson <siggi@chromium.org>
The unconditional CHECK() in MinidumpFileWriter::AddStream() made sense
when all streams were under the Minidump class family’s control, but
became hazardous upon the introduction of user streams with arbitrary
types under the crashy process’ control.
Bug: crashpad:171
Test: crashpad_minidump_test MinidumpFileWriter.SameStreamType
Change-Id: Iba5be08b330261286d11d22d8e9a2fef5fcc1070
Reviewed-on: https://chromium-review.googlesource.com/456056
Reviewed-by: Sigurður Ásgeirsson <siggi@chromium.org>
This more-natural spelling doesn’t require Crashpad developers to have
to remember anything special when writing code in Crashpad. It’s easier
to grep for and it’s easier to remove the “compat” part when pre-C++11
libraries are no longer relevant.
R=scottmg@chromium.org
Review URL: https://codereview.chromium.org/1513573005 .
Fixes two incorrect usages of ssize_t/off_t being implicitly converted
to bool. As such, I think it's worth the cost of the additional !! on
BOOL returning Win32 functions.
R=mark@chromium.org
Review URL: https://codereview.chromium.org/1408123006 .
This makes the basics of !peb work in windbg, however, pointed-to things
are not yet retrieved. For full functionality, a variety of pointers in
the PEB also needs to be walked and captured.
e.g.
Previously:
0:000> .ecxr
eax=00000007 ebx=7e383000 ecx=c3f9a943 edx=00000000 esi=006d62d0 edi=003c9280
eip=00384828 esp=005bf634 ebp=005bf638 iopl=0 nv up ei pl zr na pe nc
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010246
crashy_program!crashpad::`anonymous namespace'::SomeCrashyFunction+0x28:
00384828 c7002a000000 mov dword ptr [eax],2Ah ds:002b:00000007=????????
0:000> !peb
PEB at 7e383000
error 1 InitTypeRead( nt!_PEB at 7e383000)...
Now:
0:000> .ecxr
eax=00000007 ebx=7f958000 ecx=02102f4d edx=00000000 esi=00e162d0 edi=01389280
eip=01344828 esp=00c2fb64 ebp=00c2fb68 iopl=0 nv up ei pl zr na pe nc
cs=0023 ss=002b ds=002b es=002b fs=0053 gs=002b efl=00010246
crashy_program!crashpad::`anonymous namespace'::SomeCrashyFunction+0x28:
01344828 c7002a000000 mov dword ptr [eax],2Ah ds:002b:00000007=????????
0:000> !peb
PEB at 7f958000
InheritedAddressSpace: No
ReadImageFileExecOptions: No
BeingDebugged: No
ImageBaseAddress: 01340000
Ldr 77ec8b40
*** unable to read Ldr table at 77ec8b40
SubSystemData: 00000000
ProcessHeap: 00e10000
ProcessParameters: 00e114e0
CurrentDirectory: '< Name not readable >'
WindowTitle: '< Name not readable >'
ImageFile: '< Name not readable >'
CommandLine: '< Name not readable >'
DllPath: '< Name not readable >'
Environment: 00000000
Unable to read Environment string.
R=mark@chromium.org
BUG=crashpad:46
Review URL: https://codereview.chromium.org/1364053002 .
Mostly size_t <-> unsigned int warnings, but I also had a mistake in
PROCESS_BASIC_INFORMATION, the pids are 32-on-32 and 64-on-64.
The Windows build is still x86 until https://codereview.chromium.org/981333002/.
I don't think I'll bother maintaining the x86 build for now, though we will probably
need it for x86 OSs in the future. It should be straightforward to revive it once we
need it, and have bots to support it.
R=mark@chromium.org
BUG=crashpad:1
Review URL: https://codereview.chromium.org/983103004
- dbghelp.h requires windows.h to be included before it (ick!).
Add a stub one for non_win to make this work.
- convert __attribute__ -> macro that can work work with MSVC;
- a handful of narrowing casts.
R=mark@chromium.org
BUG=crashpad:1
Review URL: https://codereview.chromium.org/883773005
All minidump objects now own their all of their children, rather than
having them maintain weak pointers and requiring callers to maintain
ownership.
The only weak object in the entire tree now is the “extra memory” added
to a MinidumpMemoryListWriter by its AddExtraMemory() method. Extra
memory aliases objects owned elsewhere in the tree, typically by a
MinidumpThreadWriter as stack memory. Non-“extra” memory added to a
MinidumpMemoryListWriter by its AddMemory() method is strongly owned.
Many objects are now deleted through base pointers, and in those cases,
the base classes now have public virtual destructors. The ultimate base,
MinidumpWritable, is still protected to guard against direct
instantiation and deletion, and thus its destructor does not need to be
virtual.
This updates mini_chromium to eeb3b6a4f020 specifically for that
revision, which includes necessary updates to scoped_ptr. It also picks
up:
eeb3b6a4f020 Update base/move.h and base/memory/scoped_ptr.h to match
67ad2efafaba More porting to Windows
be27a006421e AUTHORS: Fix link post-git migration flag day.
05f5b1503230 Add codereview.settings to mini_chromium.
a32c2b199811 Beginnings of Windows support in mini_chromium
TEST=minidump_test
R=rsesek@chromium.org
Review URL: https://codereview.chromium.org/674153002
MinidumpFileWriter writes the top-level object to a minidump file. This
consists of a MINIDUMP_HEADER and a list of MINIDUMP_DIRECTORY entries
that point to streams, which are second-level objects in minidump files.
This change also adds the base class for stream writers,
MinidumpStreamWriter.
TEST=minidump_test MinidumpFileWriter*
R=rsesek@chromium.org
Review URL: https://codereview.chromium.org/432863006
